/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */

package org.grails.plugins.web.async.spring

import groovy.transform.CompileStatic

import org.springframework.beans.factory.FactoryBean

import grails.async.PromiseFactory
import grails.async.Promises
import org.grails.async.factory.PromiseFactoryBuilder

/**
 * Factory bean for Spring integration
 *
 * @author Graeme Rocher
 * @since 3.3
 */
@CompileStatic
class PromiseFactoryBean extends PromiseFactoryBuilder implements FactoryBean<PromiseFactory> {

    @Override
    PromiseFactory getObject() throws Exception {
        PromiseFactory promiseFactory = build()
        Promises.setPromiseFactory(promiseFactory)
        return promiseFactory
    }

    @Override
    Class<?> getObjectType() {
        return PromiseFactory
    }

    @Override
    boolean isSingleton() {
        return true
    }

}
